<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    {{lazy}}
    <input type="text" @keyup.enter="handle">
    <hr>
    <!-- <input type="text" v-model.trim="trim"> -->
    <!-- <input type="text" v-model.number="number"> -->
    <input type="text" v-model.lazy="lazy">
  </div>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.14/vue.min.js"></script>
  <script>
    const an = new Vue({
      el:'#app',
      data:{

        lazy:''
      },
      methods:{
        handle(){
          console.log(111);
        },
        
      }
    })
  </script>
</body>
</html>